Pivoted link



W. L. SHIFFER AND P. K. SHNYDER.

PIVOTED LINK.

APPLICATION FILED MAY 24. I920.

1,353, 134. PatentedSept. 14, 1920..

Warl enqz szay'fe 1* P6 Z6 rfft Sit/2:746]:

UNETED S'E'liifi WARREN .L. S HII FFER- AND mm mammalian rnnnsrnvama. j

PIVQTED Application filed. May 24,

To all whom it may concern: 7

Be it known that'we, ll axman L. SHIFFER and Pn'rnn K. SHNYDER, CitlZBIlS of the United States, residing at lVflhamsport,-1n

the county of Lycoming and State of Pennsylvania, have invented certain new and useful Improvements in PivotedLinks, of which the following is a specification.

Our invention relates to pivoted links.

Our object is to provide a device of this character of simple'and durable construction which. will easily engage and disengage a link of ordinary or preferred construction,

and which will hold its engagement with another link in a most reliable manner, so as to be quite free from liability to accidental disengagement.

Our device is admirably adapted for use with anti-skid chains for automobiles, trucks, etc., in making side-chain connections. 1

A leading feature of the invention consists of two jaws pivoted together at one end and terminating in hooks lapping each other in side to side engagement at the open end of the link, said hooks being provided at their ends with inwardly extending lugs lapping the backs of the jaws at approximately the point where the jaws begin to merge into'the hooks.

The invention consists in certain novel features of construction and relative arrangement of parts, as will be hereinafter described and claimed, reference being had to the accompanying drawings, in which Figure l is a perspective view showing one form of link in operative relation to a chain. Fig. 2 is a similar view of a slightly different form of the device. Fig.3 is a side elevation of the form of link illustrated in Fig. l; and Fig. 4 is a similar View of the form shown in Fig. 2.

Our link is formed of similar jaws l pivoted together at one end by a pivot 2 and terminating at the other end in hooks 3 provided with fiat inner faces adapting the hooks to lie in flat side to side engagement with each other, said hooks terminating in inwardly extending lugs 4 which lap the backs of the jaws 1 at the point where they begin to merge into the hooks 3. 'In the form of the device shown in Figs. 1 and 3, the jaws are provided between their ends with a second pair of hooks 5 lying 1n fiat engagement with each other and extending out flush with the outer side of the jaws.

rries.

Specification of Letters'l E'atent. V 14 1920.

1920; Serial no; assess.

lVhen thefdevice is to, second pair ofhooks 5, the jaws areusually formed flat, as shown in Fig. 1.

It will be noticed that the. jaws of our improved link do-not lie in parallel planes, but in planes that cross each 'other'diagonally, as it were. That is, the jaw that is on the left side at one end of the link is on the right sideat the other end,and since the longitudinal pull on each individual jaw tends to bring it into alinement with the. longitudinalextent of the chain, it follows that the tendency thus. imparted to the jaws causes the lapping hooks to press toward each other whenever there is tension on the chain, thus insuring that the lugs 4 shall be held in position to securely lock the jaws against opening on their pivot.

.Vhen our improved link is manufactured with the chain with which it is to be used as a part thereof, the closed links of the chain are made just about wide enoughat their middles to permit the jaws of our device to open and close easily, so that the curved ends of the closed links as they pull upon the hooks 3, hold them in side to side engagement with each otherand locked by the lugs 4 against opening on their pivot 2.

A very convenient way of attaching our improved link to-the chain with which it is to be used, is by means of a clevis, as illustrated in Fig. 2; and this form of the device with the clevis is commonly used for heavy truck service. In manufacturing and selling the link to purchasers to be'used with any chain that may be found suitable, the clevis may be made and sold with the device as a part thereof.

Another convenient way of attaching the pivoted end'of our link to a chain is illustrated in Fig. 1, in which a link having double loops at one end is provided. This is the form of our. device commonly used for touring car service, in which a close adjustment of. the length of the chain is desirable. With this form of our device, when the chain with which it is used is slightly too long or has a little slack in it, the chain -may be shortened or the slack taken up by moving the link of the chain down into engagement with the. second pair of hooks 5. In this way our open link shown in Fig. l, in addition to serving the ordinary purpose of an open link, also provides means for accurately adjusting the length of the chain with which it is used.-

be provided with the" Having now described our invention, what we claim as new and desire to secure by Letters Patent is 1; A device of the character described, comprising a pair of jaws pivoted together at one end and terminating at the other end in hooks lying in side to side engagement with each other in a plane disposed substantially at right angles to the longitudinal extent of the pivot, and having lugs adaptcd' to lap the rear sides of the jaws.

2. A device of the character described, comprising a pair of jaws pivoted together at one end and terminating at the other end in hooks lying'in' side to side engagement with each other and having lugs adapted to lap the rear sides of the jaws; and a second pair of lapping hooks carried by said jaws between said first named pair of hooks and the pivoted end of the jaws.

A device of the character described,

comprising a pair of jaws pivoted together at one end and terminating at the other end in hooks lying in side to side engagement with each other, said jaws lying in planes crossing each other and said hooks having lugs adapted to lap the rear sides of the jaws.

4. A device of the character described, comprising a pair of jaws pivoted together at one end and terminating at the other end in hooks lying in side to side engagement with each other, and a second pair of lapping hooks carried by said jaws between said first named pair of hooks and the pivoted end of the jaws, said jaws lying in planes crossing each other, and said hooks having lugs adapted to lap the rear sides of the jaws.

In testimony whereof we affix our signatures.

WVARREN L. SHIFFER. PETER K. SHNYDER. 

